Here’s a list of materials you’ll need: Once you have all your materials, you’re ready to build your anemometer! First, staple the straws to the tops of the cups (the rim of the cup), making ...

Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane.

To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...